Queue 的限制大小在.NET 中? [英] Limit size of Queue<T> in .NET?
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问题描述
我有一个队列
I have a Queue<T> object that I have initialised to a capacity of 2, but obviously that is just the capacity and it keeps expanding as I add items. Is there already an object that automatically dequeues an item when the limit is reached, or is the best solution to create my own inherited class?
推荐答案
我已经找到了我正在寻找的基本版本,它并不完美,但它会完成工作,直到出现更好的东西.
I've knocked up a basic version of what I'm looking for, it's not perfect but it'll do the job until something better comes along.
public class LimitedQueue<T> : Queue<T>
{
public int Limit { get; set; }
public LimitedQueue(int limit) : base(limit)
{
Limit = limit;
}
public new void Enqueue(T item)
{
while (Count >= Limit)
{
Dequeue();
}
base.Enqueue(item);
}
}
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